Whetstone-making machine.



No. 665,466. Patented Ian. 8, I90l.

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WHETSTONE UAKINGMAGHINE.

' (Application filed Apr. 24, 1900.) (No Model.) 3 Shee ts-Shaat I.

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WHETSTONE MAKUG MACHINE.

(Application filed Apr. 24. 1900.)

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No. 665,466. Patented Ian. 8, I90| .I'-

l. BEITZ. WHETS TONE MAKING MACHINE.

(Application filed Apr. 24. 1900.)

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Wifnesse's. [fire/22311 Mid/706W UNITED STATES PATENT OFFICE.

IGNATIUS REITZ, OF PORTSMOUTH, OHIO.

WHETSTONE-MAKING MACHINE.

SPECIFICATION formingpart of Letters Patent No. 665,466, dated January8, 1901.

Application filed April 24, 1900. Serial No. 14,147. (No modem 1'0 awhom it may concern:

Be it known that I, IGNATIUS REITZ, a citizen of the United States,residing at Portsmouth, in the county of Scioto and State of Ohio, haveinvented a new and useful Whetstone-Making Machine, of which thefollowing is a specification.

My invention relates to the art of making whetstones, and has for itsobject to construct a machine for this purpose which shall be simple andefficient in operation and which shall form a large number of Whetstonesat a single operation. 7

With this object in view the invention consists of a reciprocatingcombined bed-plate and grinding or rubbing surface provided with aplurality of grooves, with means for preventing the reciprocation of thestone and means for supplying sand and water to the parts during theoperation of the machine.

I have illustrated in the accompanying drawings one form which myinvention may assume, in which 7 Figure 1 is a top plan view of thereciprocating bed-plate. Fig. 1 is a transverse section thereof on theline E F, Fig. 1. Fig. 1 is a side elevation of the end plate whichcooperates with the bed-plate of Fig. 1. Fig. 2 is a side elevation ofmy improved machine, and Fig. 3 is an end elevation thereof.

Referring to the drawings, A represents a bed-plate mounted on asuitable carriage H, which carriage is arranged to reciprocate in waysD,witl1in which the V-rails O move freely. The bed-plate isreciprocated, preferably in a horizontal plane, by any suitable means,here shown as an engine, to the crank-shaft of which the bed-plate isconnected. A series of equally-spaced grooves a is formed in the uppersurface of the bed plate A, which grooves may be of any desired shape incrosssection and are here shown as semioval grooves.

B B are plates supported, one at each end of the machine, upon bracketsG G, the lower edges of said plates having an outline the reverse of thecross-sectional outline of the upper surface of the bed-plate, (seeFigs. 1 1, and 3,) the plates being supported by the brackets G, so thatthe lower edges of the plates are very slightly above the upper surfaceof the bed-plate. The entire machine is mounted upon a framework ofbase, upright, and cross timbers F.

K is a platform above the bed-plate A, upon which platform rests areceptacle J for sand and water, the latter being fed to the receptacleJ through a pipe 0. The platform K may be raised or lowered at will bymeans of ropes attached to the platform and passing around a Windlass M,supported by the frametimbers F. The Windlass may be convenientlyoperated by means of a rope N, passing around the Windlass, and asuitable drum P, driven by a crank Q, which, with the drum andconnecting gearing, is supported in bracket R, attached to one of theupright members of the frame F. The platform K is constructed with openspaces or cracks In, Fig. 3, through which the sand and water from thereceptacle J are distributed.

The operation of my machine is as follows: The stone in the rough beinglaid in one of the grooves of the bed-plate A the platform K is loweredinto contact with the stone, in which position it is between the endplates B B. It will be apparent that a large number of stones may thusbe placed upon the surface of the bed-plate A. The parts being thuspositioned the engine is started and the bedplate A reciprocated. Thestones and the platform K do not participate in the reciprocatingmovements of the bed-plate, being restrained by the end plates B B. Theresult is that the lower surface of each stone is worn away until itconforms to or becomes a counterpart of the upper surface of thebed-plate A, when the stone is reversed or turned the other side up andthe operation repeated. During the reciprocation of the slide sand andwater pass from the receptacleJ through the openings in the platform Konto the stones and into the grooves formed on the upper surface of thebed-plate A, where they serve to assist in the cutting action of theplate upon the stone in a way well understood.

From the foregoing it will be seen that I have devised an exceedinglysimple machine which may be strongly and cheaply constructed and whichis efiective in operation.

Having thus described my invention, what I claim is 1. In a machine formaking whetstones, the combination of abed-plate havinga series ofgrooves formed in its upper surface, end plates having lower edgesconstituting in outline a counterpart of the surface of the bedplate incross-section and supported above and in proximity to said plate, andmeans for reciprocating said bed-plate.

2. In a Whetstone-making machine, the combination of a groovedreciprocating bedplate, end plates supported above the bedplate andhaving parts entering the grooves thereof, means for reciprocating thebed-plate, and means supplying sand and water to the parts.

3. In a Whetstone-making machine, the combination of a groovedreciprocating bedplate, end plates supported above the bedplate, aplatform above the bed-plate and a IGNATIUS REITZ.

Witnesses:

JOHN R. HUGHES, R. A. CALVERT.

